Fuel injection valve
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United States of America Patent
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-
Nov 28, 2006
Grant Date -
Apr 22, 2004
app pub date -
Aug 22, 2002
filing date -
Oct 24, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fuel injector for the direct injection of fuel into the combustion chamber of an internal combustion engine includes a valve needle situated in a nozzle body, the valve needle being actuable by an actuator and acted upon by a restoring spring in such a manner that a valve-closure member which is in operative connection to the valve needle and faces the combustion chamber is kept in sealing contact with a valve-seat surface in the non-actuated state of the actuator. A first jet-opening angle .alpha..sub.1 is assigned to a first lift state of the valve needle and a second jet-opening angle .alpha..sub.2 to a second lift state of the valve needle.
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